Katsuyuki Ishikawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Piezoelectric transformer and strobe apparatus having the piezoelec...
- Patent number 6,882,090
- Issue date Apr 19, 2005
- Taiheiyo Cement Corporation
- Takeshi Fujimura
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Piezoelectric transformer and strobe apparatus having the piezoelec...
- Patent number 6,873,086
- Issue date Mar 29, 2005
- Taiheiyo Cement Corporation
- Takeshi Fujimura
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic flash device
- Patent number 6,564,015
- Issue date May 13, 2003
- Taiheiyo Cement Corporation
- Katsuyuki Ishikawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Control circuit and method for protecting a piezoelectric transform...
- Patent number 6,486,612
- Issue date Nov 26, 2002
- Taiheiyo Cement Corporation
- Takeshi Fujimura
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Piezoelectric transformer element and method of mounting it in a ho...
- Patent number 6,342,752
- Issue date Jan 29, 2002
- Taiheiyo Cement Corporation
- Masako Kataoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Housing for piezoelectric transformer device
- Patent number 6,262,518
- Issue date Jul 17, 2001
- Taiheiyo Cement Corporation
- Katsuyuki Ishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
System for driving a cold-cathode fluorescent lamp connected to a p...
- Patent number 6,239,558
- Issue date May 29, 2001
- Taiheiyo Cement Corporation
- Takeshi Fujimura
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Control circuit and method for piezoelectric transformer
- Patent number 6,198,198
- Issue date Mar 6, 2001
- Taiheiyo Cement Corporation
- Takeshi Fujimura
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Piezoelectric transformer device
- Patent number 6,172,447
- Issue date Jan 9, 2001
- Taiheiyo Cement Corporation
- Katsuyuki Ishikawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Piezoelectric transformer and strobe apparatus having the piezoelec...
- Publication number 20040222718
- Publication date Nov 11, 2004
- Taiheiyo Cement Corporation
- Takeshi Fujimura
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Sound simulator and sound simulating method
- Publication number 20040170282
- Publication date Sep 2, 2004
- Yasuhiko Tahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Piezoelectric transformer and strobe apparatus having the piezoelec...
- Publication number 20030102775
- Publication date Jun 5, 2003
- Taiheiyo Cement Corporation
- Takeshi Fujimura
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Electronic flash device
- Publication number 20020061193
- Publication date May 23, 2002
- Katsuyuki Ishikawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
CONTROL CIRCUIT AND METHOD FOR PROTECTING A PIEZOELECTRIC TRANSFORM...
- Publication number 20020011804
- Publication date Jan 31, 2002
- TAKESHI FUJIMURA
- H01 - BASIC ELECTRIC ELEMENTS

Katsuyuki Ishikawa

Person

Patents Grantslast 30 patents

Piezoelectric transformer and strobe apparatus having the piezoelec...

Piezoelectric transformer and strobe apparatus having the piezoelec...

Electronic flash device

Control circuit and method for protecting a piezoelectric transform...

Piezoelectric transformer element and method of mounting it in a ho...

Housing for piezoelectric transformer device

System for driving a cold-cathode fluorescent lamp connected to a p...

Control circuit and method for piezoelectric transformer

Piezoelectric transformer device

Patents Applicationslast 30 patents

Piezoelectric transformer and strobe apparatus having the piezoelec...

Sound simulator and sound simulating method

Piezoelectric transformer and strobe apparatus having the piezoelec...

Electronic flash device

CONTROL CIRCUIT AND METHOD FOR PROTECTING A PIEZOELECTRIC TRANSFORM...